After the truly despondent, apathetic crowd had milled out of the Boleyn following last night’s second consecutive League Cup evisceration by Man City, snooker World Champion Ronnie O’Sullivan (who, if memory serves, is an Arsenal fan by trade) made his way onto the pitch to have a little after-hours kickabout with his son, Ronnie Jnr, while the grounds staff packed away the detritus of the evening…